2.7 sec in total
180 ms
2 sec
503 ms
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Visit de.alert.ioWe analyzed De.alert.io page load time and found that the first response time was 180 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
de.alert.io performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value11.7 s
0/100
25%
Value6.7 s
36/100
10%
Value1,010 ms
27/100
30%
Value0
100/100
15%
Value12.6 s
14/100
10%
180 ms
400 ms
306 ms
83 ms
81 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 35% of them (19 requests) were addressed to the original De.alert.io, 25% (14 requests) were made to Dhlo3a0hhyb6o.cloudfront.net and 7% (4 requests) were made to F.vimeocdn.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source De.mention.com.
Page size can be reduced by 1.7 MB (68%)
2.5 MB
817.0 kB
In fact, the total size of De.alert.io main page is 2.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Javascripts take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 21.4 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 5.2 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 21.4 kB or 78% of the original size.
Potential reduce by 182.7 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, De Alert needs image optimization as it can save up to 182.7 kB or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 1.3 MB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 1.3 MB or 76% of the original size.
Potential reduce by 198.2 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. De.alert.io needs all CSS files to be minified and compressed as it can save up to 198.2 kB or 85% of the original size.
Number of requests can be reduced by 19 (39%)
49
30
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Alert. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
de.alert.io
180 ms
de.alert.io
400 ms
2167520330.js
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b53f106.css
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e328b66.js
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62ddc1c.js
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translator.js
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de
134 ms
4dfe854.js
87 ms
de
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event
132 ms
webfont.js
136 ms
logo-alertio.svg
418 ms
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listen.svg
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react.svg
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stats.svg
282 ms
share.svg
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asos.png
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github.svg
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mit.svg
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microsoft.svg
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workable.svg
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infusionsoft.svg
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crunch.svg
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spotify_logo.png
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facebook.svg
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twitter.svg
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gplus.svg
481 ms
mail.svg
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phone.svg
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bg-top.jpg
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bg-uses-blue.jpg
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arrow@2x.png
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egq5ibr.js
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css
87 ms
player.js
147 ms
player.css
108 ms
ga.js
78 ms
vuid.min.js
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CrYjSnGjrRCn0pd9VQsnFOvvDin1pK8aKteLpeZ5c0A.woff
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__utm.gif
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p.gif
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proxy.html
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6 ms
jm22OueaZb4GFFllsiaWWWW6FlVZZbY211llvg402ybHZFlttsz28+87wD3bbY6999jvgoEMOO+KoY4474aRTTjvjrHPOu+CiSy674mr4S9fdcFOuW26746578tz3QL6HHinwWKEnniryzHMvvPTKa2+89c57H3z0yedfs2ZsCwAAAA==
6 ms
analytics.min.js
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dc.js
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de.alert.io accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
de.alert.io best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
de.alert.io SEO score
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise De.alert.io can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that De.alert.io main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
de.alert.io
Open Graph data is detected on the main page of De Alert. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: